Improved ultraviolet field-emission lamps can be safely deployed close to people because they eliminate the use of toxic materials, mitigate heating issues, and emit light in a wavelength range that is safe for human exposure.

Improved ultraviolet field-emission lamps can be safely deployed close to people because they eliminate the use of toxic materials, mitigate heating issues, and emit light in a wavelength range that is safe for human exposure.

A stage light fixture is provided with a light source and with a cooling assembly configured to cool the light source; the cooling assembly comprises at least one cooling device configured to generate a flow of cooling air through an outlet opening having an elongated shape along a main axis.

A stage light fixture is provided with a light source and with a cooling assembly configured to cool the light source; the cooling assembly comprises at least one cooling device configured to generate a flow of cooling air through an outlet opening having an elongated shape along a main axis.